diff --git a/src/AltGen.API/Generate/Providers/LLMProvider.cs b/src/AltGen.API/Generate/Providers/LLMProvider.cs
index 19b2270..71a765c 100644
--- a/src/AltGen.API/Generate/Providers/LLMProvider.cs
+++ b/src/AltGen.API/Generate/Providers/LLMProvider.cs
@@ -2,10 +2,10 @@ namespace AltGen.API.Generate.Providers;
 
 static class LLMProvider
 {
-  public const string Gemini = "Gemini";
+  public const string Gemini = "gemini";
 
   public static bool IsValid(string provider)
   {
-    return provider is Gemini;
+    return provider.ToLowerInvariant() is Gemini;
   }
 }
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